Power Problems - Lenovo 5458 Installation And Service Manual

Table 26. Optional-device problems and actions (continued)
Symptom
An Lenovo optional device that
worked previously does not
work now.

Power problems

v Follow the suggested actions in the order in which they are listed in the Action
v If an action step is preceded by '(Trained technician only)', that step must be
v Go to the Lenovo support website at http://www.lenovo.com/support to check
Action
1. Make sure that all of the cable connections for the device are secure.
2. If the device comes with test instructions, use those instructions to test the
device.
3. Reseat the failing device.
4. Replace the failing device.
column until the problem is solved.
performed only by a Trained technician.
for technical information, hints, tips, and new device drivers or to submit a
request for information.
Chapter 4. Troubleshooting
141